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Vol. 27. Issue 1.
Pages 8-12 (January - February 1991)
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Vol. 27. Issue 1.
Pages 8-12 (January - February 1991)
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Pulsioximetría durante la fibrobroncoscopia en pacientes con EPOC: su relación con el grado de obstrucción funcional
Pulsioximetry during fibrobronchoscopy in patients with COPD (chronic obstructive pulmonary disease): its relationship with the degree of functional obstruction
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J.A. Carretero Gracia, P. Val Adán, J.A. Domingo Morera, C. Sánchez Bellido, J.A. Pasamar Bonilla, J. Garcés Aranda
Hospital Royo Villanova, Zaragoza
J.M. Domingo Morera*
* Facultad de Medicina. Zaragoza
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Se ha monitorizado la saturación de oxígeno (SaO2) mediante pulsioximetría durante la práctica de una fibrobroncoscopia (FB) en 33 pacientes con EPOC y 12 controles para estudiar la relación entre la desaturación durante la misma y el patrón espirométrico obtenido previamente. Los pacientes con EPOC se clasificaron según su grado de obstrucción al flujo aéreo en dos grupos: 1) Pacientes con obstrucción de grado leve o moderado (FEV1≥ 50% pred.) y 2) pacientes con obstrucción de grado severo o muy severo (FEV1 < 50% pred.) La SaO2 basal de ambos grupos y de los controles osciló entre 94 y 95 °/o. Las SaO2 mínimas que alcanzaron fueron, respectivamente, 91,2% y 85,7%, siendo la de los controles 88%. Al final de la FB sólo el grupo con FEV1 < 50% pred mantenía una SaO2 similar a la mínima alcanzada, mientras que tanto el grupo 1 como el grupo control recuperaron valores de SaO2 similares a los iniciales. Consideramos conveniente identificar a estos pacientes con vistas a darles un aporte suplementario de oxígeno durante la FB.

Oxygen saturation (O2 Sa) measured by pulsioximetry was monitorized during bronchial endoscopy in 33 patients with chronic obstructive pulmonary disease (COPD) and in 12 Controls in order to correlate the levels of O2Sa with the spirometric pattern. According to the degree of air flow obstruction patients with COPD were classified into two groups: 1) patients with slight or moderate air flow obstruction (FEV1 ≥ 50% pred.), and 2) patients with severe air flow obstruction (FEV1 < 50% pred.)Baseline O2Sa in both groups of patients and in Controls ranged 94 and 95%. Minimal values for O2Sa were 91.2% in group 1, 85.7% in group 2, and 88% in Controls. At the end of bronchial endoscopy group 1 and Controls recovered baseline O2Sa values whereas in patients of group 2 O2Sa remained at the low range. We conclude that patients with severe air flow obstruction should be identifled in order to receive supplementary oxygen supply during bronchial endoscopy.

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Copyright © 1991. Sociedad Española de Neumología y Cirugía Torácica
Archivos de Bronconeumología
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